package service

import (
	"fmt"
	"time"

	"git.x2erp.com/qdy/go-base/ctx"
	"git.x2erp.com/qdy/go-base/logger"
	"git.x2erp.com/qdy/go-base/model/request"
	"git.x2erp.com/qdy/go-base/model/response"

	"git.x2erp.com/qdy/go-base/util"

	"git.x2erp.com/qdy/go-db/factory/database"
	"git.x2erp.com/qdy/go-svc-configure/models"
	"github.com/jmoiron/sqlx"
)

func InitConfigTemplates(dbFactory *database.DBFactory, req request.QueryRequest, reqCtx *ctx.RequestContext) *response.QueryResult[map[string]interface{}] {
	return initConfigTemplates(dbFactory.GetDB(), reqCtx)

}

// InitConfigTemplates 初始化默认配置信息
func initConfigTemplates(db *sqlx.DB, reqCtx *ctx.RequestContext) *response.QueryResult[map[string]interface{}] {

	builder := models.NewConfigTemplateBuilder()

	templates := builder.
		// Service模板
		StartTemplate("service", "Service配置", "服务基础配置").
		AddInt("port", "服务监听端口").Default("8080").Min(1024).Max(65535).Required().FinishDetail().
		AddString("service_name", "服务名称").Default("svc-configure").Pattern("^[a-zA-Z][a-zA-Z0-9_-]*$").Required().FinishDetail().
		AddString("instance_name", "实例名称").Default("svc-configure-01").Required().FinishDetail().
		AddInt("read_timeout", "读取超时时间（秒）").Default("30").Min(1).Max(300).Required().FinishDetail().
		AddInt("write_timeout", "写入超时时间（秒）").Default("30").Min(1).Max(300).Required().FinishDetail().
		AddInt("idle_timeout", "空闲超时时间（秒）").Default("60").Min(10).Max(600).Required().FinishDetail().
		FinishTemplate().

		// 通用数据库配置
		StartTemplate("database", "通用数据库配置", "关系型数据库通用连接配置").
		AddEnum("type", "数据库类型", []string{"postgresql", "mysql", "oracle"}).Default("postgresql").Required().FinishDetail().
		AddString("host", "数据库主机地址").Default("localhost").Required().FinishDetail().
		AddInt("port", "数据库端口").Default("5432").Min(1).Max(65535).Required().FinishDetail().
		AddString("database", "数据库名称").Default("").Required().FinishDetail().
		AddString("username", "用户名").Default("").Required().FinishDetail().
		AddString("password", "密码").Default("").Sensitive().Required().FinishDetail().
		AddInt("max_conns", "最大连接数").Default("100").Min(1).Max(1000).FinishDetail().
		AddInt("min_conns", "最小连接数").Default("5").Min(0).Max(100).FinishDetail().
		AddInt("max_lifetime", "连接最大生存时间（秒）").Default("3600").Min(60).Max(86400).FinishDetail().
		AddInt("max_idle_time", "连接最大空闲时间（秒）").Default("1800").Min(30).Max(3600).FinishDetail().
		AddInt("connect_timeout", "连接超时时间（秒）").Default("5").Min(1).Max(30).FinishDetail().
		AddInt("read_timeout", "读取超时时间（秒）").Default("30").Min(1).Max(300).FinishDetail().
		AddInt("write_timeout", "写入超时时间（秒）").Default("30").Min(1).Max(300).FinishDetail().
		AddBoolean("ssl_enabled", "启用SSL加密").Default("false").FinishDetail().
		AddString("ssl_ca", "CA证书路径").Default("").FinishDetail().
		AddString("ssl_cert", "客户端证书路径").Default("").FinishDetail().
		AddString("ssl_key", "客户端密钥路径").Default("").FinishDetail().
		AddString("charset", "字符集").Default("utf8mb4").FinishDetail().
		AddString("timezone", "时区").Default("Asia/Shanghai").FinishDetail().
		AddBoolean("parse_time", "解析时间字段").Default("true").FinishDetail().
		AddString("loc", "时区位置").Default("Asia/Shanghai").FinishDetail().
		AddInt("max_prepared_stmt_count", "最大预处理语句数").Default("128").Min(0).Max(1024).FinishDetail().
		AddInt("max_allowed_packet", "最大允许数据包大小（MB）").Default("64").Min(1).Max(1024).FinishDetail().
		AddInt("timeout", "全局超时时间（秒）").Default("30").Min(1).Max(300).FinishDetail().
		AddBoolean("debug_mode", "调试模式").Default("false").FinishDetail().
		FinishTemplate().

		// Log模板
		StartTemplate("log", "日志增强配置", "增强版日志配置").
		AddEnum("level", "日志级别", []string{"debug", "info", "warn", "error", "fatal"}).Default("debug").Required().FinishDetail().
		AddString("output", "日志输出目标").Default("console,es").FinishDetail().
		//AddBoolean("json_format", "JSON格式输出").Default("true").FinishDetail().
		AddString("file_path", "日志文件路径").Default("./logs/app-%s.log").FinishDetail().
		AddInt("max_size", "最大文件大小(MB)").Default("100").FinishDetail().
		AddInt("max_backups", "最大备份文件数").Default("30").FinishDetail().
		AddInt("max_age", "最大保存天数").Default("7").FinishDetail().
		AddBoolean("compress", "压缩备份文件").Default("true").FinishDetail().
		AddString("es_path", "ES地址").Default("http://x3cloudb.x2erp.com:9200").FinishDetail().
		AddString("es_username", "ES用户名").Default("").FinishDetail().
		AddString("es_password", "ES密码").Default("").Sensitive().FinishDetail().
		FinishTemplate().

		// Doris模板
		StartTemplate("doris", "Doris配置", "Doris数据库连接配置").
		AddString("fe_host", "Doris FE节点主机地址").Default("161.189.89.196").Pattern(`^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$`).Required().FinishDetail().
		AddInt("fe_port", "Doris FE端口号").Default("8040").Min(1).Max(65535).Required().FinishDetail().
		AddString("fe_username", "Doris FE用户名").Default("root").Required().FinishDetail().
		AddString("fe_password", "Doris FE密码").Default("").Sensitive().Required().MinLength(6).MaxLength(100).FinishDetail().
		AddInt("stream_load_timeout", "Stream Load超时时间（秒）").Default("300").Min(10).Max(3600).FinishDetail().
		AddInt("batch_size", "批量大小").Default("1000").Min(1).Max(10000).FinishDetail().
		FinishTemplate().

		// micro 注册发现配置
		StartTemplate("micro", "Micro服务配置", "Micro服务基础配置").
		AddString("service_name", "服务名称").Default("svc-worker").Required().FinishDetail().
		AddString("service_address", "服务地址").Default(":7070").Required().FinishDetail().
		AddString("registry_address", "注册中心地址").Default("localhost:8500").Required().FinishDetail().
		AddString("registry_type", "注册中心类型").Default("consul").Required().FinishDetail().
		AddInt("registry_timeout", "注册中心超时时间").Default("10").Required().FinishDetail().
		FinishTemplate().

		// rabbitmq
		StartTemplate("rabbitmq", "RabbitMQ配置", "RabbitMQ消息队列配置").
		AddString("host", "主机地址").Default("localhost").Required().FinishDetail().
		AddInt("port", "端口").Default("5672").Required().FinishDetail().
		AddString("username", "用户名").Default("guest").Required().FinishDetail().
		AddString("password", "密码").Default("guest").Sensitive().Required().FinishDetail().
		AddString("vhost", "虚拟主机").Default("/").FinishDetail().
		AddBoolean("use_tls", "启用TLS").Default("false").FinishDetail().
		AddString("ca_cert", "CA证书").Default("").FinishDetail().
		AddString("cert_file", "证书文件").Default("").FinishDetail().
		AddString("key_file", "密钥文件").Default("").FinishDetail().
		AddInt("max_open_channels", "最大通道数").Default("10").FinishDetail().
		AddInt("reconnect_delay", "重连延迟(ms)").Default("5000").FinishDetail().
		AddInt("max_reconnect_attempts", "最大重试次数").Default("10").FinishDetail().
		AddInt("heartbeat", "心跳间隔(s)").Default("30").FinishDetail().
		AddInt("channel_size", "通道大小").Default("100").FinishDetail().
		AddString("default_exchange", "默认交换机").Default("amq.direct").FinishDetail().
		AddString("default_queue", "默认队列").Default("").FinishDetail().
		AddBoolean("auto_ack", "自动确认").Default("false").FinishDetail().
		AddBoolean("mandatory", "强制路由").Default("false").FinishDetail().
		AddBoolean("immediate", "立即发送").Default("false").FinishDetail().
		AddInt("prefetch_count", "预取数量").Default("1").FinishDetail().
		AddInt("prefetch_size", "预取大小").Default("0").FinishDetail().
		AddBoolean("global", "全局设置").Default("false").FinishDetail().
		AddBoolean("publisher_confirms", "发布确认").Default("false").FinishDetail().
		AddInt("confirm_timeout", "确认超时(s)").Default("5").FinishDetail().
		FinishTemplate().
		GetTemplates()

	return createOrUpdateConfigTemplates(db, templates, reqCtx)
}

func CreateOrUpdateConfigTemplates(dbFactory *database.DBFactory, req *models.ConfigTemplate, reqCtx *ctx.RequestContext) *response.QueryResult[map[string]interface{}] {
	configTemplates := []*models.ConfigTemplate{req}
	return createOrUpdateConfigTemplates(dbFactory.GetDB(), configTemplates, reqCtx)

}

// CreateOrUpdateConfigTemplates 创建或更新配置模板（支持部分更新）
func createOrUpdateConfigTemplates(db *sqlx.DB, templates []*models.ConfigTemplate, reqCtx *ctx.RequestContext) *response.QueryResult[map[string]interface{}] {

	if db == nil {
		return util.CreateErrorResult[map[string]interface{}]("database connection is nil", reqCtx)
	}

	// 开始事务
	tx, err := db.Beginx()
	if err != nil {
		return util.CreateErrorResult[map[string]interface{}](fmt.Sprintf("begin transaction failed: %v", err), reqCtx)
	}
	defer func() {
		if err != nil {
			tx.Rollback()
		}
	}()

	now := time.Now()

	for _, template := range templates {
		// 设置时间
		if template.CreatedAt.IsZero() {
			template.CreatedAt = now
		}
		template.UpdatedAt = now

		// 1. 插入或更新模板主表
		err := upsertTemplate(tx, template, now, reqCtx)
		if err != nil {
			return util.CreateErrorResult[map[string]interface{}](fmt.Sprintf("upsertTemplate: %v", err), reqCtx)
		}

		// 2. 处理模板详情（部分更新）
		if len(template.Details) > 0 {
			err = upsertTemplateDetails(tx, template.Details, now)
			if err != nil {
				return util.CreateErrorResult[map[string]interface{}](fmt.Sprintf("upsertTemplateDetails: %v", err), reqCtx)

			}
		}
	}

	errCommit := tx.Commit()
	if errCommit != nil {
		return util.CreateErrorResult[map[string]interface{}](fmt.Sprintf("db commit: %v", errCommit), reqCtx)
	}

	return util.CreateSuccessResult[map[string]interface{}](reqCtx)
}

// upsertTemplate 插入或更新模板主表
func upsertTemplate(tx *sqlx.Tx, template *models.ConfigTemplate, now time.Time, reqCtx *ctx.RequestContext) error {
	sqlStr := `
		INSERT INTO config_template (
			config_template_id,
			template_name, 
			is_default, 
			sort_order, 
			description, 
			creator, 
			created_at, 
			updated_at
		) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
		ON CONFLICT (config_template_id) DO UPDATE SET
			is_default = EXCLUDED.is_default,
			sort_order = EXCLUDED.sort_order,
			description = EXCLUDED.description,
			creator = EXCLUDED.creator,
			updated_at = $8
		RETURNING config_template_id`

	var templateID string
	err := tx.QueryRow(sqlStr,
		template.ConfigTemplateID,
		template.TemplateName,
		template.IsDefault,
		template.SortOrder,
		template.Description,
		template.Creator,
		template.CreatedAt,
		now, // 使用事务中的时间
	).Scan(&templateID)

	if err != nil {
		return logger.ErrorCf(reqCtx, "upsert template failed: %v", err)
	}
	logger.DebugC(reqCtx, "save data:%s", templateID)
	return nil
}

// upsertTemplateDetails 插入或更新模板详情（基于config_key唯一性）
func upsertTemplateDetails(tx *sqlx.Tx, details []models.ConfigTemplateDetail, now time.Time) error {
	for _, detail := range details {
		// 设置时间和模板ID
		if detail.CreatedAt.IsZero() {
			detail.CreatedAt = now
		}
		detail.UpdatedAt = now
		//detail.ConfigTemplateID = templateID

		sqlStr := `
			INSERT INTO config_template_detail (
				config_template_detail_id,
				config_template_id,
				config_key,
				config_value,
				value_type,
				data_type,
				is_required,
				default_value,
				validation_rules,
				description,
				sort_order,
				is_sensitive,
				is_readonly,
				creator,
				created_at,
				updated_at
			) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15,$16)
			ON CONFLICT (config_template_detail_id) DO UPDATE SET
				config_value = EXCLUDED.config_value,
				value_type = EXCLUDED.value_type,
				data_type = EXCLUDED.data_type,
				is_required = EXCLUDED.is_required,
				default_value = EXCLUDED.default_value,
				validation_rules = EXCLUDED.validation_rules,
				description = EXCLUDED.description,
				sort_order = EXCLUDED.sort_order,
				is_sensitive = EXCLUDED.is_sensitive,
				is_readonly = EXCLUDED.is_readonly,
				creator = EXCLUDED.creator,
				updated_at = $15`

		_, err := tx.Exec(sqlStr,
			detail.ConfigTemplateDetailID,
			detail.ConfigTemplateID,
			detail.ConfigKey,
			detail.ConfigValue,
			detail.ValueType,
			detail.DataType,
			detail.IsRequired,
			detail.DefaultValue,
			detail.ValidationRules,
			detail.Description,
			detail.SortOrder,
			detail.IsSensitive,
			detail.IsReadonly,
			detail.Creator,
			detail.CreatedAt,
			now,
		)

		if err != nil {
			return fmt.Errorf("upsert template detail failed (key: %s): %v", detail.ConfigKey, err)
		}
	}

	return nil
}

// 批量版本（如果需要更高性能）
func batchUpsertTemplateDetails(tx *sqlx.Tx, templateID int64, details []models.ConfigTemplateDetail, now time.Time) error {
	if len(details) == 0 {
		return nil
	}

	// 使用临时表进行批量操作
	_, err := tx.Exec(`
		CREATE TEMP TABLE temp_config_details (
			config_key VARCHAR(100),
			config_value TEXT,
			value_type VARCHAR(20),
			data_type VARCHAR(50),
			is_required BOOLEAN,
			default_value TEXT,
			validation_rules JSONB,
			description TEXT,
			sort_order INTEGER,
			is_sensitive BOOLEAN,
			is_readonly BOOLEAN,
			creator VARCHAR(100)
		) ON COMMIT DROP`)
	if err != nil {
		return fmt.Errorf("create temp table failed: %v", err)
	}

	// 批量插入到临时表
	stmt, err := tx.Prepare(`
		INSERT INTO temp_config_details VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	for _, detail := range details {
		_, err = stmt.Exec(
			detail.ConfigKey,
			detail.ConfigValue,
			detail.ValueType,
			detail.DataType,
			detail.IsRequired,
			detail.DefaultValue,
			detail.ValidationRules,
			detail.Description,
			detail.SortOrder,
			detail.IsSensitive,
			detail.IsReadonly,
			detail.Creator,
		)
		if err != nil {
			return err
		}
	}

	// 使用临时表进行批量UPSERT
	_, err = tx.Exec(`
		INSERT INTO config_template_detail (
			config_template_id, config_key, config_value, value_type, data_type,
			is_required, default_value, validation_rules, description, sort_order,
			is_sensitive, is_readonly, creator, created_at, updated_at
		)
		SELECT $1, config_key, config_value, value_type, data_type,
			is_required, default_value, validation_rules, description, sort_order,
			is_sensitive, is_readonly, creator, $2, $3
		FROM temp_config_details
		ON CONFLICT (config_template_id, config_key) DO UPDATE SET
			config_value = EXCLUDED.config_value,
			value_type = EXCLUDED.value_type,
			data_type = EXCLUDED.data_type,
			is_required = EXCLUDED.is_required,
			default_value = EXCLUDED.default_value,
			validation_rules = EXCLUDED.validation_rules,
			description = EXCLUDED.description,
			sort_order = EXCLUDED.sort_order,
			is_sensitive = EXCLUDED.is_sensitive,
			is_readonly = EXCLUDED.is_readonly,
			creator = EXCLUDED.creator,
			updated_at = EXCLUDED.updated_at`,
		templateID, now, now)

	return err
}